downward

downward
adverb
  1. (亦作 downwards)towards a lower place, point, or level
    向下
    he was lying face downward.
    他脸朝下躺着。
    ■used to indicate that something applies to everyone in a certain hierarchy or set
    适用于其下所有人
    new rules on sick leave affect employees of all grades, from managers downwards.
    新的病假规定影响到经理级及以下所有级别的员工。
adjective
  1. moving or leading towards a lower place or level
    下降的,向下的
    the downward curve of the stairs.
    楼梯的下旋曲线。
    a downward trend in inflation.
    通货膨胀的下降趋势。
语源
  1. Middle English: shortening of Old English adūnweard
英语宝典
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